Submission #346479

# Submission time Handle Problem Language Result Execution time Memory
346479 2021-01-09T22:50:09 Z IshanP15 Tracks in the Snow (BOI13_tracks) Python 3
36.9792 / 100
2000 ms 147200 KB
from queue import Queue
H,W = map(int, input().split())

grid = []
for i in range(H):
    inp = input()
    row = [char for char in inp]
    grid.append(row)

def adjs(loc):
    x,y = loc[0], loc[1]
    possibleAdjs = [(x+1,y), (x-1,y), (x,y+1), (x,y-1)]
    return [adj for adj in possibleAdjs if validAdj(adj)]
def validAdj(adj):
    x,y = adj[0],adj[1]
    return x < len(grid) and y < len(grid[0]) and x > -1 and y > -1
def BFS(animal):
    newQueue = Queue()
    while not Q.empty():
        nextLoc = Q.get()
        neighbors = adjs(nextLoc)
        for neighbor in neighbors:
            if neighbor not in visited and grid[neighbor[0]][neighbor[1]] != '.':
                if grid[neighbor[0]][neighbor[1]] != animal:
                    newQueue.put(neighbor)
                else:
                    Q.put(neighbor)
                visited.add(neighbor)

    return newQueue

start = (0,0)
visited = set()
visited.add(start)
Q = Queue()
Q.put(start)

currAnimal = grid[0][0]
numAnimals = 0
while( not Q.empty()):
    Q = BFS(currAnimal)
    numAnimals += 1
    if currAnimal == 'F':
        currAnimal = 'R'
    else:
        currAnimal = 'F'
print(numAnimals)
# Verdict Execution time Memory Grader output
1 Execution timed out 2094 ms 21600 KB Time limit exceeded
2 Correct 29 ms 3712 KB Output is correct
3 Correct 42 ms 3840 KB Output is correct
4 Execution timed out 2083 ms 20300 KB Time limit exceeded
5 Correct 317 ms 8296 KB Output is correct
6 Correct 29 ms 3692 KB Output is correct
7 Correct 42 ms 3820 KB Output is correct
8 Correct 87 ms 4076 KB Output is correct
9 Correct 46 ms 3948 KB Output is correct
10 Correct 439 ms 8040 KB Output is correct
11 Correct 559 ms 8776 KB Output is correct
12 Correct 1187 ms 15888 KB Output is correct
13 Correct 309 ms 8168 KB Output is correct
14 Correct 312 ms 8168 KB Output is correct
15 Execution timed out 2087 ms 21848 KB Time limit exceeded
16 Execution timed out 2082 ms 21592 KB Time limit exceeded
17 Correct 1583 ms 18436 KB Output is correct
18 Execution timed out 2088 ms 20252 KB Time limit exceeded
# Verdict Execution time Memory Grader output
1 Correct 314 ms 6220 KB Output is correct
2 Execution timed out 2095 ms 34416 KB Time limit exceeded
3 Execution timed out 2085 ms 142392 KB Time limit exceeded
4 Execution timed out 2091 ms 50048 KB Time limit exceeded
5 Execution timed out 2097 ms 88008 KB Time limit exceeded
6 Execution timed out 2098 ms 146016 KB Time limit exceeded
7 Correct 285 ms 6220 KB Output is correct
8 Correct 313 ms 6220 KB Output is correct
9 Correct 421 ms 8804 KB Output is correct
10 Correct 191 ms 5352 KB Output is correct
11 Correct 188 ms 5856 KB Output is correct
12 Correct 350 ms 5096 KB Output is correct
13 Execution timed out 2087 ms 34596 KB Time limit exceeded
14 Execution timed out 2090 ms 28816 KB Time limit exceeded
15 Execution timed out 2096 ms 25444 KB Time limit exceeded
16 Execution timed out 2088 ms 26464 KB Time limit exceeded
17 Execution timed out 2098 ms 51808 KB Time limit exceeded
18 Execution timed out 2100 ms 48868 KB Time limit exceeded
19 Execution timed out 2094 ms 49888 KB Time limit exceeded
20 Execution timed out 2097 ms 46552 KB Time limit exceeded
21 Execution timed out 2097 ms 96376 KB Time limit exceeded
22 Execution timed out 2088 ms 87748 KB Time limit exceeded
23 Execution timed out 2088 ms 82040 KB Time limit exceeded
24 Execution timed out 2088 ms 92400 KB Time limit exceeded
25 Execution timed out 2078 ms 140852 KB Time limit exceeded
26 Execution timed out 2096 ms 116168 KB Time limit exceeded
27 Execution timed out 2098 ms 145124 KB Time limit exceeded
28 Execution timed out 2091 ms 145888 KB Time limit exceeded
29 Execution timed out 2096 ms 145828 KB Time limit exceeded
30 Execution timed out 2093 ms 142836 KB Time limit exceeded
31 Execution timed out 2094 ms 101580 KB Time limit exceeded
32 Execution timed out 2097 ms 147200 KB Time limit exceeded